list_of_translateables.py

from collections import MutableSequence


class ListOfTranslateAbles(MutableSequence):
    """A container for manipulating lists of hosts"""

    def __init__(self, data=None):
        """Initialize the class"""
        super(ListOfTranslateAbles, self).__init__()
        if (data is not None):
            self._list = list(data)
        else:
            self._list = list()

    def __repr__(self):
        return "<{0} {1}>".format(self.__class__.__name__, self._list)

    def __len__(self):
        """List length"""
        return len(self._list)

    def __getitem__(self, ii):
        """Get a list item"""
        return self._list[ii]

    def __delitem__(self, ii):
        """Delete an item"""
        del self._list[ii]

    def __setitem__(self, ii, val):
        # optional: self._acl_check(val)
        self._list[ii] = val

    def __str__(self):
        return str(self._list)

    def insert(self, ii, val):
        # optional: self._acl_check(val)
        self._list.insert(ii, val)

    def append(self, val):
        self.insert(len(self._list), val)

    def keys(self):
        keys = []
        for translate_able in self._list:
            keys.append(translate_able.new_msgid)

        return keys

    def get_translate_able(self, key):
        for translate_able in self._list:
            if translate_able.new_msgid == key:
                return translate_able
        return None